<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'sessionid.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	

  </head>
  
  <body>
     <%
       String id=session.getId();
       //向服务器的session对象写入键值对
       session.setAttribute("name", "呵呵");
       //根据key读取服务器的session对象的值
       String name=(String)session.getAttribute("name");
     %>
     <h1><%=id %></h1>
     <h1><%=name %></h1>
     <a href="sessionid2.jsp" target="_blank">新窗口</a>
     
  </body>
</html>
